Iraq invades Iran, sparking the nearly eight year Iran–Iraq War.
The Iran–Iraq War, also called the First Imposed War, Eight-Year War, or Sacred Defense by Iran, began with the Iraqi invasion of Iran in September 1980. After eight years of conflict, both countries accepted a ceasefire deal brokered by the United Nations, which became effective in August 1988. The war caused around 500,000 deaths, making it the deadliest conventional war ever fought between regular armies of developing countries.




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Sources and further reading: Wikipedia — Iran–Iraq War, Iraqi invasion of Iran (CC BY-SA). Images: Wikimedia Commons.